MFC SOCKET에서 IP주소 리턴하는 함수

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CString GetIPFromSocket(SOCKET hSocket) {     int nClientLength = sizeof(struct sockaddr_in);     SOCKADDR_IN clientAddress;     getpeername(hSocket, (struct sockaddr *)&clientAddress, &nClientLength);     CString strClientIP(inet_ntoa(clientAddress.sin_addr));       return strClientIP; }